Home / 1,417,419.28-2,125,766.04-419,914

Finding the Fourth Proportional to 1,417,419.28, 2,125,766.04 and 419,914

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Solution

The fourth proportional to 1,417,419.28, 2,125,766.04 and 419,914 is: 629,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,419.28 : 2,125,766.04 = 419,914 : x
  2. Step 2: Convert to fraction form
    1,417,419.28/2,125,766.04 = 419,914/x
  3. Step 3: Cross multiply
    1,417,419.28x = 2,125,766.04 × 419,914
  4. Step 4: Simplify right side
    1,417,419.28x = 892,638,920,920.56
  5. Step 5: Solve for x
    x = 892,638,920,920.56/1,417,419.28
  6. Step 6: Final answer
    x = 629,763.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.